Theoretical Probabilities for a Random Variable HSS.MD.A.3 Grade 11 SBAC Practice Test Questions TOC | Lumos Learning

Theoretical Probabilities for a Random Variable HSS.MD.A.3 Question & Answer Key Resources Lumos StepUp - Smarter Balanced Online Practice and Assessments - Grade 11 Mathematics

Lumos StepUp - Smarter Balanced Online Practice and Assessments - Grade 11 Mathematics Theoretical Probabilities for a Random Variable

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Suppose a baseball player gets a hit 30% of the time. Let the random variable Y be the number of times the player will gets a hit 2 out of 7 times at bat. What is P(Y)?
  1. 31%
  2. 82%
  3. 64%
  4. 36%

Resource: Question

Question Type: Hot Text

Standard(s):HSS.MD.A.3

Standard Description: Develop a probability distribution for a random variable defined for a sample space in which theoretical probabilities can be calculated; find the expected value. For example, find the theoretical probability distribution for the number of correct answers obtained by guessing on all five questions of a multiple-choice test where each question has four choices, and find the expected grade under various grading schemes.

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